At least 300 million people are using QQ _____by Ma Huateng to chat on line.
#50488
A
create
B
creates
C
creating
D
created
推荐题目
–We should do what we can _____ the endangered animals.` --Yes, it’s duty_____ them.
#50588
A
save, to protect
B
save, protect
C
to save, protect
D
to save, to protect
I’ll invite you to my new flat as soon as I finish ________ it.
#48590
A
decorating
B
decorate
C
to decorate
D
decorated
---I find the more we study, the more difficulty we have ________ out Maths problems.---Oh, I agree with you. Maths is more and more difficult.
#50150
A
worked
B
work
C
works
D
working